Impedance Spectroscopy of Selected Objects

Daniel Reschetow, Bastian Diel

project report

In order to enter the field of impedance spectroscopy, we developed several electrical circuits and we tested and discarded a number of measurement schemes including the use of a digital oscilloscope and different software tools. Finally, we found a suitable analogue method that we used to characterize a number of objects. We focused on foods and we found a way of determining their quality from their impedance spectrum.

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